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3 years ago

(-2x-5)=23 solve for it step by step please

Mathematics

2 answers:

expeople1 [14]3 years ago

7 0

Answer: $x=-14$

Step-by-step explanation:

Get rid of parentheses: $-2x-5-23=0$

Add all the numbers together, and all the variables: $-2x-28=0$

Move all terms containing x to the left, all other terms to the right:

$-2x=28$

$x=28/-2$

$x=-14$

Usimov [2.4K]3 years ago

6 0

Answer:

i used TI 84 PLUS CE and i got -14 but it didn't show me the solution

Step-by-step explanation:

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A square carpet of side length 9 feet is designed with one large shaded square and eight smaller, congruent shaded squares, as s

Pepsi [2]

Answer:

$3\sqrt{3} + 72$

Step-by-step explanation:

I attached an image to aid the understanding of the question.

Looking at the image, we see that the 8 shaded parts are congruent, as affirmed in the question as well. And we are told that T = 3, this implies that the area of the square with T as it's side is 9ft². Since all the 8 squares are congruenrt, it means each square has its area to be 9. Therefore, the total area of the 8 shaded squares will be:

$9 \times 8 = 72ft^{2}$

It remains the area of the shaded square with side S.

From the question, we have the following ratio:

$\frac{9}{S} = \frac{S}{T}[\tex]But[tex]\frac{9}{S} = \frac{S}{3}[\tex]Multiplying through by 3S we have27 = S² and this gives:[tex]S = \sqrt{27} = 3\sqrt{3}$

I did not add ± because length is always positive, so the case of negative is eliminated.

Now the areas of S is $3\sqrt{3}$

Therefore, the total area of the shaded squares is

$3\sqrt{3} + 72$

3 0

3 years ago

The number is “ 1372 / 3 “ if it’s too small for you to see

faust18 [17]

V=4/3 pi r^3.
4/3r^3=1372/3,......r^3=343, r=7 inches

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3 years ago

Who is Muhammad Ali Jinnah

nirvana33 [79]

Answer:

Not. Math.. Mohammad Ali Jinnah, born Mahomedali Jinnahbhai was a Pakistani politician. A lawyer and states man, he is considered the founding father of Pakistan. He was initially an Indian nationalist and then an Islamic nationalist in British India.

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3 years ago

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3 years ago

1 What is 411,600,000 in scientific notation.

Eduardwww [97]

Answer: 411.6

Step-by-step explanation: What is 411.6 Million in Scientific Notation?

To answer the question what is 411.6 million in scientific notation let’s recall how to convert 411,600,000 to scientific notation as detailed on our home page.

If you split the number 411600000 into a coefficient and a power of 10 you do get 411.6 million in exponential form, but there is an indefinite number of possibilities.

As you probably want 411.6 million in normalized scientific notation, the coefficient or significand of 411.6m in scientific notation must be in the interval [1,10[.

As there are many ways to express 411.6 million in scientific notation, in this post we mean 411.6 million in normalized scientific notation, unless stated otherwise.

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3 years ago